Drip feed oiler



y 1950 Q a. 'w. LEIMAN 2,514,882

- DRIP FEED OILER Filed Oct. 29, 1947' 6 IN V EN TOR.

Patented July 11, 1950 UNITED STATES PATENT OFFICE DRIP OILER George William Leiman, Denville, N. J. Application October .29, 1947. Serial No. 782,7 68

10 Claims.

The main object of my invention is to provide I certain novel and useful improvements in oilers of the drip feed type wherebythe operation of the oiler is controlled by variations in pressure to intermittently feed the oil drop by drop to be forwarded to a predetermined point, as a machinebearing.

The object of my invention more particularly is to provide a vacuum controlled drip feed oiler which will automatically operate to feed the oil drop by drop when suction is applied and to cease feeding the oil when the suction is removed.

My invention includes an oiler which is provided with a tilting oil container operable to feed the oil drop by drop when the container is swung to its operative position and to cut off the feed when the container is swung to its inoperative position; an auxiliary removable container being provided for supplying oil by gravity to the tilting container and maintaining a substantially predetermined amount of oil in said tilting container.

A further object is to provide certain improvements in the form, construction and arrangement of the several elements of the oiler whereby the above named and other objects may effectively be attained.

A practical embodiment of my invention is represented in the accompanying drawings in which: v

Fig. 1 represents the oiler in side elevation, partly in section, with the several elements in the positions which they assume when the suction is applied to theoiler to cause it to operate to feed the oil drop by drop;

Fig. 2 represents a vertical central section through the oiler taken in the plane of the line IIII of Fig. 1, looking in the direction of the arrows;

Fig. 3 represents a detailed section similar to Fig. 2 with the elements in the positions they assume when the suction is removed and the oiler is in its inoperative position Fig. 4 represents a horizontal cross section taken through the auxiliary removable container of the oiler in the plane of the line IV-IV, looking in the direction of the arrows; and

Fig. 5 represents a detail-ed central section at the discharge end of the auxiliary oil container, showing the same. closed as when the container is removed from the oiler.

The lower member I of the oiler is shown as provided with a depending stem 2 having a vertical passage 3 therethrough, the lower end of which stem is arranged to be connected to a suction means, as a vacuum pump (not shown herein). The upper end of this vertical passage 3 opens into a shallow chamber 4 in the top of the lower member I of the oiler. A vacuum operated ball valve 5 is located in the vertical passage 3,

which valve is normally closed by the pressure of a coil spring 6.

The upper member I of the oiler is seated on the top of the lower member I. This upper member "I is shown as having a shallow recess 8 in its top and a shallow chamber 9 in its bottom, which shallow chamber 9 is located opposite to the shallow chamber 4 in the top of the lower member I.

A vacuum controlled flexible diaphragm ii] is located between the lower and upper members i and l of the oiler in position to separate the shallow chambers 4 and 9. The coil spring I l is seated in a central recess 12 in the bottom of the shallow chamber 4 around the upper end of the vertical passage 3. This spring ll engages the underside of the diaphragm [0 to move it upwards, when suction in the chamber 4 is removed therefrom. This diaphragm II] is moved downwards against the pressure of the spring I I when suction is applied to the underside of the said diaphragm through the vertical passage 3 and lower chamber 4.

The pin l3 which uprises from the diaphragm i0 is slidably mounted in the central 111g M of the upper member 1 of the oiler.

A basin IS in the bottom of the recess 8 is in open communication with the oppositely directed oil feed pipes 16 and IT through the passages 13 and [9.

The upper member 1 of the oiler is surmounted by a cylinder 20 preferably of glass or other transparent material, a cover 2| being provided to close the top of the said cylinder. Screws 22 may be provided for securing the cylinder and cover to-the upper member 1 of the oiler, and screws 23 may be provided for securing the upper member I, the lower member I and the interposed diaphragm 10' together. A tilting oil. container 24 is located within the chamber'in the housing formed by the upper member L the cylindex 20 and the cover 2|, this container 24 is pivoted to the upper member 1 by providing a pair of lugs 25 and 26 uprising from the said upper member, a pair of lugs 21, 28 depending from the tilting container and a pivot pin 29 passing through the said pairs of lugs.

This tilting container 24 is provided with a spout 30 positioned over the basin l5 in the bottom of the shallow recess 8. A doubled wire 3! is shown as extending along the bottom of the spout 30 into the tilting container 24 and downwardly beyond the end of the spout 30 to serve by capillary action to feed the oil drop by drop into the said basin I5, when the container is tilted to its operative position.

It will be understood that the tilting of the container 24 is controlled by the movement of the diaphragm pin l3 on the upper end of which the tilting container rests.

An invertible removable auxiliary container 32 is provided for supplying oil by gravity in regulable quantities to the tilting container 24; said auxiliary container being provided with a screw cap 33 having a depending central tube 34 provided with a reduced discharge end portion 35. This tube 3G is arranged, when theauxiliary container is in its inverted operative position, to contact the bottom of the tilting container to limit its tilting movement away from its operative position. The lower end 35; of, the tube 341'- also maintains the oil at the desiredrlevel in the tilting container at all times;

A, stopper 36 isprovided' for closing the tube 84 at its reduced end 35 when the auxiliary-container 3-2isremoved from the oiler. 'llhisstopper 36 is carried by a rod 31 which extends-: downwardly a considerable distance beyond the reduced end 35 of the tube 3.4: when the stopper is closed. This rod also extends; upwardly into the auxiliary container 32 and'may be-bent to form a guide 38'for the rod to ensure its proper closing movement. The lower end of the stopper rodi3'l, may be provided with prongs 39 to control; the passage of the oil from the auxiliary, container into thetilting container.

It will be noted that when the auxiliary con-- tainer 32 is being placed in its operative position in connection with the oiling device, the stopper rod 31 is moved upwardsby the. engagement of the prongs 39 with the tilting containenfor raisingthe stopper 36 awayfrom its seat to open communication between the auxiliary and tilting containers.

Ihe means which I have shown for controlling the' oil drip-from the tilting: container 24' bylimiting the movement of the-tilting-container toward its operative position, comprises-the-fola lowing elements; a flange Mi depends from the bottoinof the tilting container into-position to engage the inner end-of a horizontally disposed regulating screw M which is threaded through a sidewall of the upper member I of the oiler; a coilspring 4-2 being provided for frictionally holding the screw in its adjusted position.

It is evident that various changes maybe resorted to in the construction, form andarrangement of the several parts without departing fromthe spiritand scope of-my inventiomandhence I do not intend to be limited to the particular embodiment herein shown and-described, but what I" claim is:

1. In adrip feed oiler, a housin a tilting container pivoted therein to swing downward by, gravity into position to feed the oil drop by drop and suction controlled means for controlling the downward movement of the container and for swinging the container upward to its inoperative position, said means including a spring pressed diaphragm and a, pinruprising therefrom into contact with the container.

2. In a drip feedoiler, a housing, a tilting container, pivoted therein to swing dow ward by gravity into position to feed the, oildrop bydrop,

suction controlled means for controlling the 4 downward movement of the container and for swinging the container upward to its inoperative position, and an auxiliary container removably carried by the housing for supplying oil in regulable quantities to the tilting container.

3. In a drip feed oiler, a housing, a tilting container pivoted therein to swing downward by gravity into position to feed the oil drop by drop, suction controlled means for controlling the downward movement of the container and for swinging the container upward to its inoperative position, an auxiliary container removably carried by the housing for supplying oil in regulable quantities to the tilting container, and a gravity operated stopper for closing the auxiliary container-when'it is'removed from the housing.

4. In a, drip feedoiler, a housing, a tilting container pivoted therein to swing downward by gravity into position to feed the oil drop by drop, suction controlled means for controlling the downward movement of: the, container and for swinging the container upward toitsinoperative position, an auxiliary container removably car-- ried by the housing for supplying; 011L111. regulable quantities to the tilting container, a gravity operated'stopper for closing the auxiliary container when it is removed from the housing, anda depending pin carried by the stopper-and engaged by the tilting co-ntainerto liftt-he stopper when the auxiliary-container: is placed in its: operative position on the housing.

5; In a drip feed oiler; ahousing, a tilting container pivoted therein to swing downward by gravity into position to feed; the oil dropby drop, suction controlled means ,for controlling the downward movement of the container. and. for swinging the container upwardto itsinoperative position, and means for adjustably=limitingthe downward-movement of the tilting container to regulate its oilfeed, said'means including a depending fiange on the tilting container. and a screw carried by the housing in position t0=contact said flange.

6; In a drip feed oiler, a housing, a tilting container pivoted-therein toswing'downward by.

gravity into position to feed the oil dropzbydrop, suction controlled means for controlling the downward movement of the container and for swinging thecontainer upward to its inoperative position, an auxiliary container removably carried by the housing for supplying'oil in regulable quantities to the tilting container and'means for adjustably limiting the downwardmovement of the tilting container to-regulate its oilfeed.

'7. In a drip feed oiler, a housing, atilting' container pivoted therein to swing downward by gravity into position-to feed the oil drop by drop, suction controlled means for controlling the downward movement of the container and for swinging the container upward to-its inoperative position, a nozzle for the; container-and a capillary element disposed along the nozzle.

8, In a drip feed oiler, a housin a-tiltingcontainer pivoted therein to swing, downward by gravityinto, position tofeed the oil drop by drop,

suction controlled means, for controlling the,

downward movement'of the container, an auxiliary container removably carried by the housing for supplying theoil in regulable quantities by gravity to the tilting containensaid auxiliary container serving as a means for. limiting the upward movement, of the tilting. container, and

means, for adjustably limiting. the downward movementof the tiltingcontainer toregulatethe.

oitfeedtherefinm.

, S 9. In a drip feed oiler, a housing having a valve controlled suction passage, an oil supply passage and a chamber in open communication therewith, a tilting container pivoted in said chamber to swing by gravity into position to feed oil drop by drop to said oil supply passage, a spring pressed diaphragm in said housing and a pin uprising from the diaphragm in position to swing the tilting container upward, said valve phragm in position to swing the tilting container upward, said valve controlled suction passage leading to said diaphragm to move the pin downward to allow the tilting container to swing downward to its operative position,

GEORGE WILLIAM LEIMAN.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 907,228 Emery Dec. 22, 1908 1,060,692 Mitchell May 6, 1913 1,276,446 Taylor Aug. 20, 1918 1,379,219 Schultz May 24, 1921 1,587,922 Rosson June 8, 1926 2,027,024 Daun Jan. 7, 1936 2,051,706 Harris Aug. 18, 1936 

